Compound

Enantiomers

Actions and Uses

Pharmacological Importance

Nebivolol

Enantiomers D

β-blockade

Pharmacodynamic Advantages

Enantiomers L

Vasodilatation

Labetalol

Isomer R, R

Potent β1-blockade

Intrinsic β2-sympathomimetic activity

Hypotensive action, use in hypertensive crises

Isomer R, S

No activity

Isomer S, R

Powerful α1 blocking

Isomer S, S

Strong blocking α1

Carvedilol

Enantiomers R (+)

Blocking α1, antioxidant

Effects on blood pressure and metabolic diseases

Enantiomers S (−)

Blocking β1, β2, α1

Propranolol

Enantiomers R (+)

Blocking β

Stereo-selectivity in pharmacokinetics

Enantiomers S (−)

Blocking β, major τ1/2

Dobutamina

Enantiomers (?)

Potent α1 agonist

β1, β2 agonist

Stereoisomers influence vascular and cardiac responses

Enantiomers (+)

Powerful α1 antagonist

β1, β2 agonist